document.write( "Question 1199205: find the missing value of the line that passes through (R,2) and (5,3) and has a slope of 1/2
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Algebra.Com's Answer #832956 by ikleyn(52794) $\"\"$ $\"About$

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document.write( "Using coordinates of the points, write equation for the slope\r\n" );
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document.write( "     = .\r\n" );
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document.write( "From this equation, find the unknown value of R. For it, first cross-multiply; then simplify\r\n" );
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document.write( "    2*(3-2) = 5 - R\r\n" );
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document.write( "    2       = 5 - R\r\n" );
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document.write( "    R       = 5 - 2 = 3.\r\n" );
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document.write( "ANSWER.  R = 3.\r\n" );
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